42343066034323 has 4 divisors (see below), whose sum is σ = 42343347932640. Its totient is φ = 42342784136008.

The previous prime is 42343066034261. The next prime is 42343066034327. The reversal of 42343066034323 is 32343066034324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42343066034323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42343066034323.

It is not an unprimeable number, because it can be changed into a prime (42343066034327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140723728 + ... + 141024301.

It is an arithmetic number, because the mean of its divisors is an integer number (10585836983160).

Almost surely, 2^{42343066034323} is an apocalyptic number.

42343066034323 is a deficient number, since it is larger than the sum of its proper divisors (281898317).

42343066034323 is a wasteful number, since it uses less digits than its factorization.

42343066034323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281898316.

The product of its (nonzero) digits is 2239488, while the sum is 43.

Subtracting from 42343066034323 its reverse (32343066034324), we obtain a palindrome (9999999999999).

The spelling of 42343066034323 in words is "forty-two trillion, three hundred forty-three billion, sixty-six million, thirty-four thousand, three hundred twenty-three".